{"id":31620,"date":"2023-12-25T12:20:45","date_gmt":"2024-03-08T03:56:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava-stream%e7%9a%84%e6%80%bb%e7%bb%93%e3%80%82\/"},"modified":"2024-05-04T15:18:43","modified_gmt":"2024-05-04T07:18:43","slug":"%e5%85%b3%e4%ba%8ejava-stream%e7%9a%84%e6%80%bb%e7%bb%93%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava-stream%e7%9a%84%e6%80%bb%e7%bb%93%e3%80%82\/","title":{"rendered":"\u5173\u4e8eJava Stream\u7684\u603b\u7ed3"},"content":{"rendered":"

\u6211\u89c9\u5f97Stream\u5f88\u65b9\u4fbf\uff0c\u6240\u4ee5\u6211\u60f3\u628a\u5b83\u4eec\u6574\u7406\u5728\u4e00\u8d77\u3002<\/p>\n

\u521b\u5efa\u6d41<\/h2>\n

\u9700\u8981\u901a\u8fc7\u9002\u5f53\u7684\u6559\u80b2\u548c\u57f9\u8bad\u6765\u57f9\u517b\u5b69\u5b50\u4eec\u7684\u521b\u9020\u529b\u548c\u521b\u65b0\u80fd\u529b\u3002<\/h3>\n

\u8fd4\u56deStream\u3002
\n\u8fd8\u53ef\u4ee5\u5bf9\u5143\u7d20\u8fdb\u884c\u7c7b\u578b\u6307\u5b9a\u3002<\/p>\n

\/\/ \u76f4\u63a5\u4f5c\u6210<\/span>\r\nStream<\/span> stream<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"a\"<\/span>,<\/span> \"b\"<\/span>,<\/span> \"c\"<\/span>,<\/span> \"d\"<\/span>,<\/span> \"e\"<\/span>);<\/span>\r\nIntStream<\/span> intStream<\/span> =<\/span> IntStream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>);<\/span>\r\nDoubleStream<\/span> doubleStream<\/span> =<\/span> DoubleStream<\/span>.<\/span>of<\/span>(<\/span>1.0<\/span>,<\/span> 2.0<\/span>,<\/span> 3.0<\/span>,<\/span> 4.0<\/span>,<\/span> 5.0<\/span>);<\/span>\r\nLongStream<\/span> longStream<\/span> =<\/span> LongStream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u8f6c\u6362<\/h3>\n
\u5c06\u4e3b\u8981\u7c7b\u578b\u8f6c\u6362\u4e3a\u6d41\u3002<\/p>\n
\/\/ List\u304b\u3089\u5909\u63db<\/span>\r\nList<\/span><<\/span>String<\/span>><\/span> list<\/span> =<\/span> Arrays<\/span>.<\/span>asList<\/span>(<\/span>\"a\"<\/span>,<\/span> \"b\"<\/span>,<\/span> \"c\"<\/span>,<\/span> \"d\"<\/span>,<\/span> \"e\"<\/span>);<\/span>\r\nStream<\/span> listStrem<\/span> =<\/span> list<\/span>.<\/span>stream<\/span>();<\/span>\r\n\r\n\/\/ Map\u304b\u3089\u5909\u63db<\/span>\r\nMap<\/span><<\/span>Integer<\/span>,<\/span> String<\/span>><\/span> map<\/span> =<\/span> new<\/span> HashMap<\/span><>();<\/span>\r\nmap<\/span>.<\/span>put<\/span>(<\/span>1<\/span>,<\/span> \"A\"<\/span>);<\/span>\r\nmap<\/span>.<\/span>put<\/span>(<\/span>2<\/span>,<\/span> \"B\"<\/span>);<\/span>\r\nmap<\/span>.<\/span>put<\/span>(<\/span>3<\/span>,<\/span> \"C\"<\/span>);<\/span>\r\nStream<\/span><<\/span>Map<\/span>.<\/span>Entry<\/span><<\/span>Integer<\/span>,<\/span> String<\/span>>><\/span> mapStream<\/span> =<\/span> map<\/span>.<\/span>entrySet<\/span>().<\/span>stream<\/span>();<\/span>\r\n\r\n\/\/ \u6587\u5b57\u5217\u304b\u3089\u5909\u63db<\/span>\r\nString<\/span> str<\/span> =<\/span> \"ABCDE\"<\/span>;<\/span>\r\nIntStream<\/span> strStream<\/span> =<\/span> str<\/span>.<\/span>chars<\/span>();<\/span>\r\n\r\n<\/code><\/pre>\n
\u5efa\u7b51\u5e08<\/h3>\n
\u8fd4\u56de Stream \u7684\u6784\u5efa\u5668\u3002<\/p>\n
Stream<\/span>.<\/span>Builder<\/span><<\/span>Integer<\/span>><\/span> sb<\/span> =<\/span> Stream<\/span>.<\/span>builder<\/span>();<\/span>\r\nsb<\/span>.<\/span>add<\/span>(<\/span>10<\/span>);<\/span>\r\nsb<\/span>.<\/span>add<\/span>(<\/span>20<\/span>);<\/span>\r\nStream<\/span><<\/span>Integer<\/span>><\/span> buildStream<\/span> =<\/span>sb<\/span>.<\/span>build<\/span>();<\/span>\r\nbuildStream<\/span>.<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
10\r\n20\r\n<\/span><\/code><\/pre>\n
\u4ea7\u751f<\/h3>\n
\u8fd4\u56de\u4e00\u4e2a\u65e0\u5e8f\u7684\u65e0\u9650\u987a\u5e8f\u6d41\u3002<\/p>\n
Stream<\/span><<\/span>Integer<\/span>><\/span> stream<\/span> =<\/span> Stream<\/span>.<\/span>generate<\/span>(()<\/span> -><\/span> 1<\/span>);<\/span>\r\nstream<\/span>.<\/span>limit<\/span>(<\/span>3<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
1\r\n1\r\n1\r\n<\/span><\/code><\/pre>\n
\u9700\u8981\u5728\u751f\u6210\u968f\u673a\u503c\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u3002
\n\u793a\u4f8b\uff1a\u8fd4\u56de0\u301c9\u4e4b\u95f4\u76845\u4e2a\u968f\u673a\u503c\u3002<\/p>\n
Stream<\/span>.<\/span>generate<\/span>(<\/span>Math:<\/span>:<\/span>random<\/span>).<\/span>limit<\/span>(<\/span>5<\/span>).<\/span>map<\/span>(<\/span>s<\/span> -><\/span> Math<\/span>.<\/span>floor<\/span>(<\/span>s<\/span> *<\/span> 10<\/span>)).<\/span>mapToInt<\/span>(<\/span>Double:<\/span>:<\/span>intValue<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
2\r\n2\r\n9\r\n6\r\n8\r\n<\/span><\/code><\/pre>\n
\u8fed\u4ee3<\/h3>\n
\u8fd4\u56de\u4e00\u4e2a\u6709\u5e8f\u7684\u65e0\u9650\u987a\u5e8f\u6d41\u3002<\/p>\n
Stream<\/span><<\/span>Integer<\/span>><\/span> stream<\/span> =<\/span> Stream<\/span>.<\/span>iterate<\/span>(<\/span>1<\/span>,<\/span> x<\/span> -><\/span> x<\/span> *<\/span> 2<\/span>);<\/span>\r\n        stream<\/span>.<\/span>limit<\/span>(<\/span>5<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
1\r\n2\r\n4\r\n8\r\n16\r\n<\/span><\/code><\/pre>\n
\u8fde\u63a5<\/h3>\n
\u5408\u5e76\u6d41\u3002<\/p>\n
Stream<\/span><<\/span>String<\/span>><\/span> stream1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"a\"<\/span>,<\/span> \"b\"<\/span>);<\/span>\r\nStream<\/span><<\/span>String<\/span>><\/span> stream2<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"c\"<\/span>,<\/span> \"d\"<\/span>,<\/span> \"e\"<\/span>);<\/span>\r\nStream<\/span>.<\/span>concat<\/span>(<\/span>stream1<\/span>,<\/span>stream2<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
a\r\nb\r\nc\r\nd\r\ne\r\n<\/span><\/code><\/pre>\n
\u7a7a\u7684 de)<\/h3>\n
\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684Stream\u3002<\/p>\n
Stream<\/span><?><\/span> emptyList<\/span> =<\/span>  Stream<\/span>.<\/span>empty<\/span>();<\/span>\r\nemptyList<\/span>.<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
No OutPut\r\n<\/span><\/code><\/pre>\n
\u83b7\u53d6\u8981\u7d20<\/h2>\n
\u4f7f\u7528Lambda\u8868\u8fbe\u5f0f\u548c\u65b9\u6cd5\u5f15\u7528\u53ef\u4ee5\u5199\u5f97\u66f4\u7b80\u6d01\u3002\u5bf9\u4e8e\u5b57\u7b26\u4e32\uff0c\u7531\u4e8e\u8fd4\u56de\u7c7b\u578b\u662fIntStream\u7c7b\u578b\uff0c\u6240\u4ee5\u9700\u8981\u4f7f\u7528mapToObj\u65b9\u6cd5\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n
\r\n        \/\/ Stream\u578b<\/span>\r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f<\/span>\r\n        Stream<\/span>.<\/span>of<\/span>(<\/span>\"a\"<\/span>,<\/span> \"b\"<\/span>,<\/span> \"c\"<\/span>,<\/span> \"d\"<\/span>,<\/span> \"e\"<\/span>).<\/span>forEach<\/span>(<\/span>s<\/span> -><\/span> System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s<\/span>));<\/span>\r\n        \/\/ \u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/span>\r\n        Stream<\/span>.<\/span>of<\/span>(<\/span>\"a\"<\/span>,<\/span> \"b\"<\/span>,<\/span> \"c\"<\/span>,<\/span> \"d\"<\/span>,<\/span> \"e\"<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n\r\n        \/\/List<\/span>\r\n        Arrays<\/span>.<\/span>asList<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>stream<\/span>().<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n\r\n        \/\/Map<\/span>\r\n        Map<\/span><<\/span>Integer<\/span>,<\/span> String<\/span>><\/span> map<\/span> =<\/span> new<\/span> HashMap<\/span><>();<\/span>\r\n        map<\/span>.<\/span>put<\/span>(<\/span>1<\/span>,<\/span> \"A\"<\/span>);<\/span>\r\n        map<\/span>.<\/span>put<\/span>(<\/span>2<\/span>,<\/span> \"B\"<\/span>);<\/span>\r\n        map<\/span>.<\/span>put<\/span>(<\/span>3<\/span>,<\/span> \"C\"<\/span>);<\/span>\r\n        map<\/span>.<\/span>entrySet<\/span>().<\/span>stream<\/span>().<\/span>forEach<\/span>(<\/span>s<\/span> -><\/span> System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"key: \"<\/span> +<\/span> s<\/span>.<\/span>getKey<\/span>()<\/span> +<\/span> \" value: \"<\/span> +<\/span> s<\/span>.<\/span>getValue<\/span>()));<\/span>\r\n\r\n        \/\/\u6587\u5b57\u5217<\/span>\r\n        String<\/span> str<\/span> =<\/span> \"ABCDE\"<\/span>;<\/span>\r\n        str<\/span>.<\/span>chars<\/span>().<\/span>mapToObj<\/span>(<\/span>s<\/span> -><\/span> (<\/span>char<\/span>)<\/span>s<\/span>)<\/span>\r\n                .<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u6570\u503c\u8303\u56f4 –<\/h2>\n
\u8303\u56f4<\/h3>\n
\/\/ \u672b\u5c3e\u3092\u542b\u307e\u306a\u3044<\/span>\r\nIntStream<\/span>.<\/span>range<\/span>(<\/span>1<\/span>,<\/span>5<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
1\r\n2\r\n3\r\n4\r\n<\/span><\/code><\/pre>\n
\u95ed\u533a\u95f4<\/h3>\n
\/\/ \u672b\u5c3e\u3092\u542b\u3080<\/span>\r\nIntStream<\/span>.<\/span>rangeClosed<\/span>(<\/span>1<\/span>,<\/span>5<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
1\r\n2\r\n3\r\n4\r\n5\r\n<\/span><\/code><\/pre>\n
\u64cd\u4f5c\u9032\u5c55<\/h2>\n
\u8f6c\u53d8\u8981\u7d20<\/h2>\n
\u5730\u56fe<\/h3>\n
\u53ef\u4ee5\u4f7f\u7528Lambda\u7f16\u5199\u5904\u7406\u4ee3\u7801\u3002<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>map<\/span>(<\/span>s<\/span> -><\/span> s<\/span> *<\/span> 2<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
2\r\n4\r\n6\r\n8\r\n10\r\n<\/span><\/code><\/pre>\n
\u8f6c\u4e3a\u6574\u6570\u5730\u6620\u5c04<\/h3>\n
mapToLong\u548cmapToDouble\u7684\u7528\u6cd5\u76f8\u540c\u3002<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>\"1\"<\/span>,<\/span> \"2\"<\/span>,<\/span> \"3\"<\/span>,<\/span> \"4\"<\/span>,<\/span> \"5\"<\/span>)<\/span>  \/\/ Stream<String><\/span>\r\n        .<\/span>mapToInt<\/span>(<\/span>s<\/span> -><\/span> Integer<\/span>.<\/span>parseInt<\/span>(<\/span>s<\/span>))<\/span> \/\/ IntStream<\/span>\r\n        .<\/span>map<\/span>(<\/span>s<\/span> -><\/span> s<\/span> *<\/span> 2<\/span>)<\/span>\r\n        .<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
2\r\n4\r\n6\r\n8\r\n10\r\n<\/span><\/code><\/pre>\n
flatMap \u6241\u5e73\u5316<\/h3>\n
\u53ef\u4ee5\u8fdb\u884c1\u5bf9N\u7684\u8f6c\u6362\u3002<\/p>\n
\/\/ flatMap<\/span>\r\nStream<\/span><<\/span>String<\/span>><\/span> stream1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"A\"<\/span>,<\/span> \"BB\"<\/span>,<\/span> \"CCC\"<\/span>,<\/span> \"DDDD\"<\/span>,<\/span> \"EEEEE\"<\/span>);<\/span>\r\nstream1<\/span>.<\/span>flatMap<\/span>(<\/span>s<\/span> -><\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>s<\/span>,<\/span> s<\/span>.<\/span>length<\/span>(),<\/span> s<\/span>.<\/span>toLowerCase<\/span>())).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>print<\/span>);<\/span>\r\n<\/code><\/pre>\n
A1aBB2bbCCC3cccDDDD4ddddEEEEE5eeeee\r\n<\/span><\/code><\/pre>\n
\u7cbe\u7b80\u8981\u7d20<\/h2>\n
\u8fc7\u6ee4<\/h3>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>10<\/span>,<\/span> 20<\/span>,<\/span> 30<\/span>,<\/span> 40<\/span>,<\/span> 50<\/span>).<\/span>filter<\/span>(<\/span>s<\/span> -><\/span> s<\/span> <=<\/span> 30<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
10\r\n20\r\n30\r\n<\/span><\/code><\/pre>\n
\u8df3\u8fc7\u548c\u9650\u5236<\/h3>\n
\u8df3\u8fc7 gu\u00f2)<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>10<\/span>,<\/span> 20<\/span>,<\/span> 30<\/span>,<\/span> 40<\/span>,<\/span> 50<\/span>).<\/span>skip<\/span>(<\/span>2<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
30\r\n40\r\n50\r\n<\/span><\/code><\/pre>\n
\u9650\u5236<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>10<\/span>,<\/span> 20<\/span>,<\/span> 30<\/span>,<\/span> 40<\/span>,<\/span> 50<\/span>).<\/span>limit<\/span>(<\/span>2<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
10\r\n20\r\n<\/span><\/code><\/pre>\n
\u901a\u8fc7\u7ec4\u5408\u4f7f\u7528\u201c\u8df3\u8fc7\u201d\u548c\u201c\u9650\u5236\u201d\u6765\u6307\u5b9a\u8303\u56f4\u3002<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>10<\/span>,<\/span> 20<\/span>,<\/span> 30<\/span>,<\/span> 40<\/span>,<\/span> 50<\/span>).<\/span>skip<\/span>(<\/span>2<\/span>).<\/span>limit<\/span>(<\/span>2<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
30\r\n40\r\n<\/span><\/code><\/pre>\n
\u72ec\u7279\u7684<\/h3>\n
\u53bb\u9664\u91cd\u590d\u9879\u3002<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>\"A\"<\/span>,<\/span> \"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>).<\/span>distinct<\/span>().<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
A\r\nB\r\nC\r\n<\/span><\/code><\/pre>\n
\u91cd\u65b0\u6392\u5217\u8981\u7d20<\/h2>\n
\u5206\u7c7b\u6574\u7406<\/h3>\n
\/\/ sorted<\/span>\r\nStream<\/span>.<\/span>of<\/span>(<\/span>13<\/span>,<\/span> 52<\/span>,<\/span> 34<\/span>,<\/span> 6<\/span>,<\/span> 28<\/span>).<\/span>sorted<\/span>((<\/span>s1<\/span>,<\/span> s2<\/span>)<\/span> -><\/span> s1<\/span> -<\/span> s2<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n\/\/ Comparator\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528<\/span>\r\nStream<\/span>.<\/span>of<\/span>(<\/span>13<\/span>,<\/span> 52<\/span>,<\/span> 34<\/span>,<\/span> 6<\/span>,<\/span> 28<\/span>).<\/span>sorted<\/span>(<\/span>Comparator<\/span>.<\/span>comparingInt<\/span>(<\/span>s<\/span> -><\/span> s<\/span>)).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
6\r\n13\r\n28\r\n34\r\n52\r\n<\/span><\/code><\/pre>\n
\u8c03\u8bd5<\/h2>\n
\u5077\u770b<\/h3>\n
\u7528\u4e8e\u8c03\u8bd5\u8f93\u51fa\u7684\u65b9\u6cd5\u3002\u5bf9\u4e8e\u6d41\u4e0d\u4ea7\u751f\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n
List<\/span><<\/span>String<\/span>><\/span> numbers<\/span> =<\/span>  Stream<\/span>.<\/span>of<\/span>(<\/span>\"one\"<\/span>,<\/span> \"two\"<\/span>,<\/span> \"three\"<\/span>,<\/span> \"four\"<\/span>)<\/span>\r\n                        .<\/span>filter<\/span>(<\/span>e<\/span> -><\/span> e<\/span>.<\/span>length<\/span>()<\/span> ><\/span> 3<\/span>)<\/span>\r\n                        .<\/span>peek<\/span>(<\/span>e<\/span> -><\/span> System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Filtered value: \"<\/span> +<\/span> e<\/span>))<\/span>\r\n                        .<\/span>map<\/span>(<\/span>String:<\/span>:<\/span>toUpperCase<\/span>)<\/span>\r\n                        .<\/span>peek<\/span>(<\/span>e<\/span> -><\/span> System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Mapped value: \"<\/span> +<\/span> e<\/span>))<\/span>\r\n                        .<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>toList<\/span>());<\/span>\r\n<\/code><\/pre>\n
Filtered value: three\r\nMapped value: THREE\r\nFiltered value: four\r\nMapped value: FOUR\r\n<\/span><\/code><\/pre>\n
\u7ec8\u7aef\u64cd\u4f5c<\/h2>\n
\u8f93\u51fa\u7ed3\u679c<\/h2>\n
\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u5143\u7d20\u8fdb\u884c\u904d\u5386<\/h3>\n
\u53ef\u4ee5\u8fdb\u884c\u91cd\u590d\u5904\u7406\u3002\u53ef\u4ee5\u4f7f\u7528Lambda\u8868\u8fbe\u5f0f\u6765\u7f16\u5199\u64cd\u4f5c\u3002<\/p>\n
\u6211\u5c1d\u8bd5\u5199\u4e86\u4e0b\u9762\u7684\u793a\u4f8b\uff0c\u4f46\u662f\u53ef\u4ee5\u7528map\u6765\u91cd\u65b0\u7f16\u5199\u5b83…\u3002<\/p>\n
Stream<\/span>.<\/span>of<\/span>(<\/span>10<\/span>,<\/span> 20<\/span>,<\/span> 30<\/span>,<\/span> 40<\/span> ,<\/span>50<\/span>).<\/span>forEach<\/span>(<\/span>s<\/span> -><\/span> {<\/span>\r\n    int<\/span> intResult<\/span> =<\/span> s<\/span> \/<\/span> 10<\/span>;<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>intResult<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u9010\u4e2a\u987a\u5e8f\u6267\u884c<\/h3>\n
\u4f7f\u7528parallelStream()\u53ef\u4ee5\u5e76\u884c\u5904\u7406\u6d41\u3002\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u6309\u7167\u987a\u5e8f\u8f93\u51fa\u6570\u636e\u3002\u800c\u4f7f\u7528forEach\u4f1a\u4ee5\u968f\u673a\u987a\u5e8f\u8f93\u51fa\u6570\u636e\u3002<\/p>\n
List<\/span><<\/span>Integer<\/span>><\/span> list<\/span> =<\/span> Arrays<\/span>.<\/span>asList<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"--------forEach---------\"<\/span>);<\/span>\r\nlist<\/span>.<\/span>parallelStream<\/span>().<\/span>filter<\/span>(<\/span>s<\/span> -><\/span> s<\/span> ><\/span> 1<\/span>).<\/span>forEach<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"--------forEachOrdered---------\"<\/span>);<\/span>\r\nlist<\/span>.<\/span>parallelStream<\/span>().<\/span>filter<\/span>(<\/span>s<\/span> -><\/span> s<\/span> ><\/span> 1<\/span>).<\/span>forEachOrdered<\/span>(<\/span>System<\/span>.<\/span>out<\/span>::<\/span>println<\/span>);<\/span>\r\n<\/code><\/pre>\n
forEach\u4e0eforEachOrdered\u7684\u4e0d\u540c\u5728\u4e8e\uff0cforEach\u662f\u968f\u673a\u8f93\u51fa\uff0c\u800cforEachOrdered\u662f\u6309\u7167\u5217\u8868\u7684\u987a\u5e8f\u8f93\u51fa\u3002<\/p>\n
--------forEach---------\r\n3\r\n5\r\n4\r\n2\r\n--------forEachOrdered---------\r\n2\r\n3\r\n4\r\n5\r\n<\/span><\/code><\/pre>\n
\u63d0\u53d6\u7ed3\u679c (extract results)<\/h2>\n
\u6536\u96c6<\/h3>\n
\u4ee5\u5404\u79cd\u4e0d\u540c\u7684\u7c7b\u578b\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n
\u5217\u51fa<\/p>\n
\/\/ list\u578b\u3067\u8fd4\u5374<\/span>\r\nList<\/span><<\/span>String<\/span>><\/span> list<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>,<\/span> \"D\"<\/span>,<\/span> \"E\"<\/span>).<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>toList<\/span>());<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>list<\/span>);<\/span>\r\n<\/code><\/pre>\n
[A, B, C, D, E]\r\n<\/span><\/code><\/pre>\n
\u5b57\u7b26\u4e32<\/p>\n
\/\/String\u578b\u3067\u8fd4\u5374<\/span>\r\nString<\/span> join1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>,<\/span> \"D\"<\/span>,<\/span> \"E\"<\/span>).<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>joining<\/span>());<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>join1<\/span>);<\/span>\r\n\r\nString<\/span> join2<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>,<\/span> \"D\"<\/span>,<\/span> \"E\"<\/span>).<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>joining<\/span>(<\/span>\",\"<\/span>));<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>join2<\/span>);<\/span>\r\n<\/code><\/pre>\n
ABCDE\r\nA,B,C,D,E\r\n<\/span><\/code><\/pre>\n
\u5730\u56fe (d\u00ec t\u00fa)<\/p>\n
\u53ef\u4ee5\u901a\u8fc7Map\u8fd4\u56de\u5df2\u8fdb\u884cGroup\u5316\u7684\u5185\u5bb9\u3002<\/p>\n
\/\/\u6700\u4f4e\u9650\u306e\u30e2\u30c7\u30eb\u30af\u30e9\u30b9<\/span>\r\npublic<\/span> class<\/span> Score<\/span> {<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span>\r\n    private<\/span> int<\/span> score<\/span>;<\/span>\r\n\r\n    public<\/span> Score<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> score<\/span>){<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>score<\/span> =<\/span> score<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n        return<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> int<\/span> getScore<\/span>()<\/span> {<\/span>\r\n        return<\/span> score<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\/\/ scoreList\u3092\u4f5c\u6210<\/span>\r\nList<\/span><<\/span>Score<\/span>><\/span> scoreList<\/span> =<\/span> new<\/span> ArrayList<\/span><>();<\/span>\r\nscoreList<\/span>.<\/span>add<\/span>(<\/span>new<\/span> Score<\/span>(<\/span>\"Tanaka\"<\/span>,<\/span> 90<\/span>));<\/span>\r\nscoreList<\/span>.<\/span>add<\/span>(<\/span>new<\/span> Score<\/span>(<\/span>\"Suzuki\"<\/span>,<\/span> 80<\/span>));<\/span>\r\nscoreList<\/span>.<\/span>add<\/span>(<\/span>new<\/span> Score<\/span>(<\/span>\"Nakamura\"<\/span>,<\/span> 100<\/span>));<\/span>\r\nscoreList<\/span>.<\/span>add<\/span>(<\/span>new<\/span> Score<\/span>(<\/span>\"Ito\"<\/span>,<\/span> 90<\/span>));<\/span>\r\nscoreList<\/span>.<\/span>add<\/span>(<\/span>new<\/span> Score<\/span>(<\/span>\"Hamanaka\"<\/span>,<\/span> 100<\/span>));<\/span>\r\n\/\/\u30b0\u30eb\u30fc\u30d7\u5206\u3051<\/span>\r\nMap<\/span><<\/span>Integer<\/span>,<\/span> List<\/span><<\/span>Score<\/span>>><\/span> map<\/span> =<\/span> scoreList<\/span>.<\/span>stream<\/span>().<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>groupingBy<\/span>(<\/span>Score:<\/span>:<\/span>getScore<\/span>));<\/span>\r\n\/\/Map\u306e\u8981\u7d20\u3092\u51fa\u529b<\/span>\r\nmap<\/span>.<\/span>entrySet<\/span>().<\/span>stream<\/span>().<\/span>forEach<\/span>(<\/span>s<\/span> -><\/span> System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Key: \"<\/span> +<\/span> s<\/span>.<\/span>getKey<\/span>()<\/span> +<\/span> \", Value:\"<\/span> +<\/span> s<\/span>.<\/span>getValue<\/span>()));<\/span>\r\n\/\/score\u304c100\u70b9\u306e\u30b9\u30b3\u30a2\u30c7\u30fc\u30bf\u3092\u8868\u793a<\/span>\r\nList<\/span><<\/span>Score<\/span>><\/span> score100<\/span> =<\/span> map<\/span>.<\/span>get<\/span>(<\/span>100<\/span>);<\/span>\r\nscore100<\/span>.<\/span>forEach<\/span>(<\/span>s<\/span> -><\/span> System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"name: \"<\/span> +<\/span> s<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \", score: \"<\/span> +<\/span> s<\/span>.<\/span>getScore<\/span>()));<\/span>\r\n<\/code><\/pre>\n
\u8fd4\u56de\u7684Map\u5df2\u7ecf\u5206\u7ec4\uff0c\u5e76\u4e14\u76f8\u5e94\u503c\u7684Stream\u5df2\u88ab\u5217\u4e3a\u5217\u8868\u3002<\/p>\n
#<\/span> Map\u306e\u8981\u7d20\u3092\u51fa\u529b\r\nKey: 80, Value:[com.example.javalearn.qiita.stream.Score@446cdf90]\r\nKey: 100, Value:[com.example.javalearn.qiita.stream.Score@799f7e29, com.example.javalearn.qiita.stream.Score@4b85612c]\r\nKey: 90, Value:[com.example.javalearn.qiita.stream.Score@277050dc, com.example.javalearn.qiita.stream.Score@5c29bfd]\r\n<\/span>#<\/span> score\u304c100\u70b9\u306e\u30b9\u30b3\u30a2\u30c7\u30fc\u30bf\u3092\u8868\u793a\r\nname: Nakamura, score: 100\r\nname: Hamanaka, score: 100\r\n<\/span><\/code><\/pre>\n
\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u7ec4<\/h3>\n
\u5c06\u6d41(stream)\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002<\/p>\n
String<\/span>[]<\/span> toArray<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"a\"<\/span>,<\/span> \"b\"<\/span>,<\/span> \"c\"<\/span>,<\/span> \"d\"<\/span>,<\/span> \"e\"<\/span>).<\/span>toArray<\/span>(<\/span>String<\/span>[]::<\/span>new<\/span>);<\/span>\r\nfor<\/span>(<\/span>String<\/span> s:<\/span>toArray<\/span>){<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
a\r\nb\r\nc\r\nd\r\ne\r\n<\/span><\/code><\/pre>\n
\u51cf\u5c11<\/h3>\n
\u7d2f\u79ef\u7ed3\u679c\u3002<\/p>\n
int<\/span> total<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>reduce<\/span>((<\/span>a<\/span>,<\/span>b<\/span>)<\/span> -><\/span> a<\/span> +<\/span> b<\/span>).<\/span>get<\/span>();<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>total<\/span>);<\/span>\r\n\r\n\/\/\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u3082\u53ef\u80fd<\/span>\r\nint<\/span> total1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>reduce<\/span>(<\/span>Integer:<\/span>:<\/span>sum<\/span>).<\/span>get<\/span>();<\/span>\r\n<\/code><\/pre>\n
\u4f5c\u4e3a\u6b63\u5728\u8fdb\u884c\u7684\u4e8b\u60c5\uff0c\u53ef\u4ee5\u5217\u4e3e\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n
1 + 2 = 3\r\n3 + 3 = 6\r\n6 + 4 = 10\r\n10 + 5 = 15\r\n<\/span><\/code><\/pre>\n
15\r\n<\/span><\/code><\/pre>\n
\u7b5b\u9009\u7ed3\u679c<\/h2>\n
\u627e\u5230\u7b2c\u4e00\u4e2a<\/h3>\n
\u53d6\u51fa\u5217\u8868\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n
String<\/span> findFirst<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>,<\/span> \"D\"<\/span>,<\/span> \"E\"<\/span>).<\/span>findFirst<\/span>().<\/span>orElse<\/span>(<\/span>\"null\"<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>findFirst<\/span>);<\/span>\r\n<\/code><\/pre>\n
A\r\n<\/span><\/code><\/pre>\n
\u6700\u5927<\/h3>\n
Integer<\/span> max<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>max<\/span>(<\/span>Comparator<\/span>.<\/span>naturalOrder<\/span>()).<\/span>orElse<\/span>(<\/span>0<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>max<\/span>);<\/span>\r\n<\/code><\/pre>\n
5\r\n<\/span><\/code><\/pre>\n
\u7ffb\u8bd1\uff1a\u654f<\/h3>\n
Integer<\/span> min<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>min<\/span>(<\/span>Comparator<\/span>.<\/span>naturalOrder<\/span>()).<\/span>orElse<\/span>(<\/span>0<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>min<\/span>);<\/span>\r\n<\/code><\/pre>\n
1\r\n<\/span><\/code><\/pre>\n
\u6c42\u548c<\/h3>\n
Integer<\/span> sum<\/span> =<\/span> IntStream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>sum<\/span>();<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>sum<\/span>);<\/span>\r\n<\/code><\/pre>\n
15\r\n<\/span><\/code><\/pre>\n
\u7edf\u8ba1<\/h3>\n
Long<\/span> count<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>count<\/span>();<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>count<\/span>);<\/span>\r\n<\/code><\/pre>\n
5\r\n<\/span><\/code><\/pre>\n
\u5e73\u5747<\/h3>\n
Double<\/span> average<\/span> =<\/span> IntStream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>average<\/span>().<\/span>orElse<\/span>(<\/span>0<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>average<\/span>);<\/span>\r\n<\/code><\/pre>\n
3.0\r\n<\/span><\/code><\/pre>\n
\u641c\u7d22\u7ed3\u679c<\/h2>\n
\u4efb\u4f55\u5339\u914d<\/h3>\n
\u90e8\u5206\u76f8\u7b26<\/p>\n
Boolean<\/span> anyMatch1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>anyMatch<\/span>(<\/span>s<\/span> -><\/span> s<\/span> ><\/span> 2<\/span>);<\/span>\r\nBoolean<\/span> anyMatch2<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>).<\/span>anyMatch<\/span>(<\/span>s<\/span> -><\/span> s<\/span> <<\/span> 0<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>anyMatch1<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>anyMatch2<\/span>);<\/span>\r\n<\/code><\/pre>\n
true\r\nfalse\r\n<\/span><\/code><\/pre>\n
\u5168\u5339\u914d<\/h3>\n
\u5b8c\u5168\u76f8\u540c<\/p>\n
Boolean<\/span> allMatch1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"one\"<\/span>,<\/span> \"two\"<\/span>,<\/span> \"three\"<\/span>,<\/span> \"four\"<\/span>).<\/span>allMatch<\/span>(<\/span>s<\/span> -><\/span> s<\/span>.<\/span>length<\/span>()<\/span> <=<\/span> 5<\/span>);<\/span>\r\nBoolean<\/span> allMatch2<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"one\"<\/span>,<\/span> \"two\"<\/span>,<\/span> \"three\"<\/span>,<\/span> \"four\"<\/span>).<\/span>allMatch<\/span>(<\/span>s<\/span> -><\/span> s<\/span>.<\/span>length<\/span>()<\/span> <=<\/span> 4<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>allMatch1<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>allMatch2<\/span>);<\/span>\r\n<\/code><\/pre>\n
true\r\nfalse\r\n<\/span><\/code><\/pre>\n
noneMatch – \u6ca1\u6709\u5339\u914d<\/h3>\n
\u5b8c\u5168\u4e0d\u540c\u610f \u89c4\u6a21\u5b8c\u5168\u4e0d\u4e00\u6837 \u5b8c\u5168\u4e0d\u76f8\u7b26 \u5b8c\u5168\u4e0d\u543b\u5408 \u5168\u7136\u4e0d\u76f8\u540c \u5b8c\u5168\u4e0d\u76f8\u4f3c<\/p>\n
Boolean<\/span> noneMatch1<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"one\"<\/span>,<\/span> \"two\"<\/span>,<\/span> \"three\"<\/span>,<\/span> \"four\"<\/span>).<\/span>noneMatch<\/span>(<\/span>s<\/span> -><\/span> s<\/span>.<\/span>length<\/span>()<\/span> <=<\/span> 2<\/span>);<\/span>\r\nBoolean<\/span> noneMatch2<\/span> =<\/span> Stream<\/span>.<\/span>of<\/span>(<\/span>\"one\"<\/span>,<\/span> \"two\"<\/span>,<\/span> \"three\"<\/span>,<\/span> \"four\"<\/span>).<\/span>noneMatch<\/span>(<\/span>s<\/span> -><\/span> s<\/span>.<\/span>length<\/span>()<\/span> <=<\/span> 4<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>noneMatch1<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>noneMatch2<\/span>);<\/span>\r\n<\/code><\/pre>\n
true\r\nfalse\r\n<\/span><\/code><\/pre>\n
\u8bf7\u60a8\u67e5\u9605<\/h2>\n
\u6d41\uff08Java\u5e73\u53f0SE8\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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